65239720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17923}}^1$

素因数の和:17954

約数の個数: 64

約数和(自身を含む): 180673920

約数和(自身を除く): 115434200

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 52, 56, 65, 70, 91, 104, 130, 140, 182, 260, 280, 364, 455, 520, 728, 910, 1820, 3640, 17923, 35846, 71692, 89615, 125461, 143384, 179230, 232999, 250922, 358460, 465998, 501844, 627305, 716920, 931996, 1003688, 1164995, 1254610, 1630993, 1863992, 2329990, 2509220, 3261986, 4659980, 5018440, 6523972, 8154965, 9319960, 13047944, 16309930, 32619860, 65239720]

約数ペア:

[(1, 65239720), (2, 32619860), (4, 16309930), (5, 13047944), (7, 9319960), (8, 8154965), (10, 6523972), (13, 5018440), (14, 4659980), (20, 3261986), (26, 2509220), (28, 2329990), (35, 1863992), (40, 1630993), (52, 1254610), (56, 1164995), (65, 1003688), (70, 931996), (91, 716920), (104, 627305), (130, 501844), (140, 465998), (182, 358460), (260, 250922), (280, 232999), (364, 179230), (455, 143384), (520, 125461), (728, 89615), (910, 71692), (1820, 35846), (3640, 17923)]